40400404336 has 20 divisors (see below), whose sum is σ = 78317902264. Its totient is φ = 20189332800.

The previous prime is 40400404333. The next prime is 40400404351. The reversal of 40400404336 is 63340400404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400404333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648630 + ... + 708181.

Almost surely, 2^40400404336 is an apocalyptic number.

It is an amenable number.

40400404336 is a deficient number, since it is larger than the sum of its proper divisors (37917497928).

40400404336 is a wasteful number, since it uses less digits than its factorization.

40400404336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358680 (or 1358674 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The spelling of 40400404336 in words is "forty billion, four hundred million, four hundred four thousand, three hundred thirty-six".